To diamond power



Dec. 14

Filed 29, 1921 ZSheets-Sh'e et 1 Dec. 14 1926.

D. c. HOOKER PRQ'I ECTION FOR SOOT BLOWERS 2 Sheets-Sheei 2 Filed Dec. 29, 1921 Arramvzy Patented Dec. 14,1925.

Duncan o.HOOKER,orranta neron, oonnnorionr, assrenon, ny'g sim 'ssmie- MEN'IS, '10 DIAMOND POWER SPECIALTY COBEQRAT'IQN, on nntrnoi'r, MICHIGAN, a

CORPORATION OF MICHIQANi 11 rnomnorron non soorBLowEns.

-Application fiIediDecember 29,19L- Seria11111525543.

This invention were to .that oi-i of soot-blowers for water-tube. steam boilers wh erewith soot, ash and kindred products of fuel combustion are removed from the ex terior surfaces .of the boilerv tubesby the agency of jets of steam directed thereon from nozzles. incorporated in the blower tube that extends. across .the' boiler tubes in a position adjacent thereto. Such blower attachedto some of the boiler tnbes'so as to be 'axially'rotatable, for, the purpose of varyingthe direction of the-steam jets, and one end extends through the boiler setting and on-the outside is provided with a swivel:

led headercomprising suitable means of ro- V tation and valves to control the admission and flow of steam to the blower'pipe.

The blower tubes owingtotheir location within the boiler setting .in;the path of the gases of combustion, are subjected to the same intense heat as the'boiler tubes themselves. But, unlike the boiler tubes, which are continually cooled by the presence and flow of water .and the generation of steam within, the temperature of the soot-blower tubes is relieved by no such cooling agency intense heat renders them" liable; to rapid deterioration. I

The object of the present 'inventionisto provide a stationary metallic casing about the blower tube which will so protect th' blower tube from the destructive action of "the direct raysof heat from the fire that the tube may bev made" of common cheap of the casing which may from timeto time.

become burned out, without disturbing the parts which are not injured, and without interfering with any parts of the blower or its fittings, and the shapes of the various parts of the casing being such that they may be made of many of the recently developed heat resisting and non-corrodlng metals that'cannot be used for the blower tube as they cannot be drawn or formed and welded into tubing, although they may be tubes are commonly 'mounted in bearingsmetal, such for instance as mild-1 steel tub readily cast or rolledintoisheets from semi-cylindrical sections, such 7 as are made use of in the constructionillustrated, may be easily formed.- f

In the accompanyingdrawings Figure 1 shows asection'of a water-tubeboiler inwhich is installed .a; i soot-blowerv arranged and protected according ,to-thisa invention.

Fig. 2 shows.o'nllargerscale a longitudinal sectionof the adjoining'ends oftwo lengths andcl'amping means. j Fig. 3 shows a transtecting casingpn the dotted line 33 on of the protecting casing and their supporting F verse section of theblower tube and a pro Fig. 2. Fig. 4 shows agtransversesection of the parts on the dotted line 44 on Fig.

2. Fig. 5 shows a side elevation of the blower tube support which isalso used'for sup porting the sections of theprotecting casing.

Fig. 6 showsa'n end elevation ofthe support.

Fig. 7 shows a plan of the split clamping ring which is usedito hold the casing sections clamping ring. 'Figi9 shows a top view of to hold the top of the clamp'ring together. Fig. -10 shows a side view otthe collar. Fig.

11 is a viewlookinginto the top-section of.

inplace. Fig. 8 shows a side view of the 1 one length of protectingcase. 1 Fig. 12 is a view looking into the bottom section of one length of the; protecting case. 1 I

1 {the illustrations of :the water 1 steamdrums 2 and'boiler setting 3" are of common form; and-arrangement. 'But one 1 soot-blower tube tfwith nozzles 51is-reprev9O sented. This soot-blower tube extends transversely of the water tubes and isjsupported by-bearingjplates- 6 which inthe construction shownfare clamped toaalternate water tubes by shackle bolts 7. I On-the end of the soot-blower tube outside -of these'tting'i's a steam admissionhead 8 provided withmeans i 9 of conventional design whereby-theblower 7 tube may be rotated. I

On each side of each ofthe-soot-blower supporting plates is a hub 10. Shaped to fit on" these hubs and 1 extending between the adjacent supporting plates are the semi-circular protecting plates 11: and 12,. tlieupperplate being substantially the same as the lower plate; except that itis provided with ports 13 through which the jets of steam may be projected from the blower tube.

When these plates are-assembled on the sup- I in s.

Ans

can be readilyengaged or disengaged. when the members of the clamping ring are swung open at the top but that cannot come apart when the members of the clamping ring are drawn together at the top. Slidable on the supporting platesi's' a collar 18 that'p'refer ably has'a ta'peringopening'. At the topthe clamping ring members have lugs 19 shaped to fit Within the collar. WVhenthe collaris dropped it fits over the lugs oft-he clamp ring members and holds them together; When the collar is lifted the clamp ring I members may be opened out. and taken off leaving the sections of the protecting case whiclrare shown as semi-cylindrical but need not be exactly seii'ii-cylindrical, free to be removed.

The invention claimed is: I

1. The combinationwith the watertubes of a steam boiler, of asoot blower tube, a plurality of'bearings, means connecting'the water tubes and bearings for suppor-t-ing'the blower tube at intervals in spaced relation from said water tubes, said bearingsada-pted to permit rotation of--the blowertube therein, and a stationary protecting case surrounding the-blower'tube'andmounted on said bearings. v I V I 2. The combination Withthe water tubes of a steam boiler, of a soot blower tube, a pluralityfiof bearings, means connecting the water tubes and bearings for supporting the blower tubeat intervals in spaced relation from said watertubes; said bearings adapted to permit'rotation of the blower tube therein,

and a' stationary'protecting case surrounding the blower tube and mounted on said bearg and'means for clamping the case on the said bearings;

3. The combination with the water tubes of a steam boilerof a soot blower tube, means I supporting the soot blower tube from the water tubes and a case enclosing the blower tube, said case being formed in semi-cylin drical lengths with the ends of theseveral lengths fastened to said blower tube sup- I tion'al protecting case enclosing the blowert'ube, the ends of the sectionsof: said case: being mounted on and fastened to the hubs projecting from the blower tubesupporting means. I y

5'. The combination with the water tubes of a steam boiler of a soot blower tube, means supporting the blower tube, said means" having laterally projecting hubs, a casing enclosing the blower tube, said casing being formed insections with the ends of the sections fitting said hubs, splitrings surrounding the ends of the sections ofthc case and holding them to said hubs, and means for holding the ring members together. v

6. The combination with the water tubes of a steam boiler of soot blower tube,

means supporting the soot blowertube, said means having laterally projecting hubs, a sectional case surrounding the blower tube with'the end'sof the sections fitting said hubs, split rings encircling the ends of the casing sections andh'oldi-ng them to the hubs, said split ringimembers having engaging mortises and tenons at the bottom and lugs at the top, and'collars slidable on the supporting means: and engaging said lugs and holding the tops of the ring members together.

7. The combination with a-sootblower of supporting plates, said plates having perforations through which the soot blower tube passes, a sectional protectingv case enclosing the blower tube with. the ends of the sections fastened .to' said blower tube supporting plates and held thereby with a space betweenthe blower tube and the inner walls of the case;

DUNCAN o. HOOKER. 

